1/* vi: set sw=4 ts=4: */
2/*
3 * setsid.c -- execute a command in a new session
4 * Rick Sladkey <jrs@world.std.com>
5 * In the public domain.
6 *
7 * 1999-02-22 Arkadiusz Mi�kiewicz <misiek@pld.ORG.PL>
8 * - added Native Language Support
9 *
10 * 2001-01-18 John Fremlin <vii@penguinpowered.com>
11 * - fork in case we are process group leader
12 *
13 * 2004-11-12 Paul Fox
14 * - busyboxed
15 */
16
17#include "libbb.h"
18
19int setsid_main(int argc, char **argv);
20int setsid_main(int argc, char **argv)
21{
22	if (argc < 2)
23		bb_show_usage();
24
25	/* Comment why is this necessary? */
26	if (getpgrp() == getpid())
27		forkexit_or_rexec(argv);
28
29	setsid();  /* no error possible */
30
31	BB_EXECVP(argv[1], argv + 1);
32	bb_perror_msg_and_die("%s", argv[1]);
33}
34